CVE-2011-1842: Input Validation

Published May 3, 2011
·
Updated

dbusbackend/lsd.py in the D-Bus backend in language-selector before 0.6.7 does not validate the arguments to the (1) SetSystemDefaultLangEnv and (2) SetSystemDefaultLanguageEnv functions, which allows local users to gain privileges via shell metacharacters in a string argument, a different vulnerability than CVE-2011-0729.

Affected Software

113 affected components
Ubuntu Language-selector=0.4.2.3
Ubuntu Language-selector=0.2.1
Ubuntu Language-selector=0.0\+baz20050926
Ubuntu Language-selector=0.6.1
Ubuntu Language-selector=0.1.12
Ubuntu Language-selector=0.4.8
Ubuntu Language-selector=0.2.2
Ubuntu Language-selector=0.4.2.1
Ubuntu Language-selector=0.0\+baz20050531
Ubuntu Language-selector=0.0\+baz20050912
Ubuntu Language-selector=0.1.2
Ubuntu Language-selector=0.5.7
Ubuntu Language-selector=0.3.20
Ubuntu Language-selector=0.0\+baz20050808
Ubuntu Language-selector=0.0\+baz20050819
Ubuntu Language-selector=0.5.0
Ubuntu Language-selector=0.2.10
Ubuntu Language-selector=0.0\+baz20050819.2
Ubuntu Language-selector=0.1.30
Ubuntu Language-selector=0.3.7
Ubuntu Language-selector=0.6.3
Ubuntu Language-selector=0.3.4
Ubuntu Language-selector=0.2.6
Ubuntu Language-selector=0.3.5
Ubuntu Language-selector=0.5.6
Ubuntu Language-selector=0.1.18
Ubuntu Language-selector=0.1.6
Ubuntu Language-selector=0.1.16
Ubuntu Language-selector=0.3.9
Ubuntu Language-selector=0.4.13
Ubuntu Language-selector=0.4.5
Ubuntu Language-selector=0.1
Ubuntu Language-selector=0.6.2
Ubuntu Language-selector=0.6.0
Ubuntu Language-selector=0.1.26
Ubuntu Language-selector=0.1.7
Ubuntu Language-selector=0.3.17
Ubuntu Language-selector=0.1.28
Ubuntu Language-selector=0.4.11
Ubuntu Language-selector=0.0\+baz20050822
Ubuntu Language-selector=0.1.1
Ubuntu Language-selector=0.3.16
Ubuntu Language-selector=0.1.17
Ubuntu Language-selector=0.3.1
Ubuntu Language-selector=0.4.3
Ubuntu Language-selector=0.3.12
Ubuntu Language-selector=0.1.20
Ubuntu Language-selector=0.1.3
Ubuntu Language-selector=0.2.3
Ubuntu Language-selector=0.1.21
Ubuntu Language-selector=0.0\+baz20050614
Ubuntu Language-selector=0.4.2
Ubuntu Language-selector=0.3.0
Ubuntu Language-selector=0.3.11
Ubuntu Language-selector=0.1.29
Ubuntu Language-selector=0.1.8
Ubuntu Language-selector=0.1.5
Ubuntu Language-selector=0.4.18
Ubuntu Language-selector=0.2.9
Ubuntu Language-selector=0.4.7
Ubuntu Language-selector=0.4.0
Ubuntu Language-selector=0.2.0
Ubuntu Language-selector=0.5.1
Ubuntu Language-selector=0.4.12
Ubuntu Language-selector=0.3.6
Ubuntu Language-selector=0.4.15
Ubuntu Language-selector=0.1.15
Ubuntu Language-selector=0.2.8
Ubuntu Language-selector=0.4.16
Ubuntu Language-selector=0.4.19
Ubuntu Language-selector=0.3.21
Ubuntu Language-selector=0.5.4
Ubuntu Language-selector=0.0\+baz20050609
Ubuntu Language-selector=0.1.11
Ubuntu Language-selector=0.4.10
Ubuntu Language-selector=0.4.9
Ubuntu Language-selector=0.1.13
Ubuntu Language-selector=0.0\+baz20050824
Ubuntu Language-selector=0.3.13
Ubuntu Language-selector=0.4.2.2
Ubuntu Language-selector=0.1.23
Ubuntu Language-selector=0.1.4
Ubuntu Language-selector=0.2.4
Ubuntu Language-selector=0.4.4
Ubuntu Language-selector=0.1.10
Ubuntu Language-selector=0.2.7
Ubuntu Language-selector=0.4.1
Ubuntu Language-selector=0.1.22
Ubuntu Language-selector=0.1.14
Ubuntu Language-selector=0.3.3
Ubuntu Language-selector=0.0\+baz20050927
Ubuntu Language-selector=0.1.24
Ubuntu Language-selector=0.0\+baz20050823
Ubuntu Language-selector=0.5.2
Ubuntu Language-selector=0.3.15
Ubuntu Language-selector=0.3.8
Ubuntu Language-selector=0.3.10
Ubuntu Language-selector=0.6.4
Ubuntu Language-selector=0.1.25
Ubuntu Language-selector<=0.6.6
Ubuntu Language-selector=0.4.14
Ubuntu Language-selector=0.1.9
Ubuntu Language-selector=0.1.27
Ubuntu Language-selector=0.0\+baz20050811
Ubuntu Language-selector=0.3.14
Ubuntu Language-selector=0.5.3
Ubuntu Language-selector=0.4.6
Ubuntu Language-selector=0.5.5
Ubuntu Language-selector=0.2.5
Ubuntu Language-selector=0.6.5
Ubuntu Language-selector=0.1.19
Ubuntu Language-selector=0.3.2
Ubuntu Language-selector=0.4.17

Remediation

Patch Available

http://www.securityfocus.com/bid/47502

Patch Available

https://launchpad.net/bugs/764397

Event History

May 3, 2011
CVE Published
via MITRE·12:03 AM
Data Sourced
via MITRE·12:03 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2011-1842?

CVE-2011-1842 is rated as medium severity due to its potential for privilege escalation.

2

How do I fix CVE-2011-1842?

To remediate CVE-2011-1842, upgrade the language-selector package to version 0.6.7 or later.

3

Which software is affected by CVE-2011-1842?

CVE-2011-1842 affects multiple versions of the Ubuntu language-selector package prior to version 0.6.7.

4

What are the consequences of CVE-2011-1842 exploitation?

Exploitation of CVE-2011-1842 allows local users to execute arbitrary code with elevated privileges.

5

Is CVE-2011-1842 a known vulnerability in Ubuntu systems?

Yes, CVE-2011-1842 is a known vulnerability identified in various versions of Ubuntu's language-selector software.

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Resources

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